private void InsertElement()
{
// Create the DIV element.
var doc = HtmlPage.Document;
htmlElement = HtmlPage.Document.CreateElement("DIV");
// Apply attributes.
htmlElement.SetAttribute("id", HtmlElementId);
htmlElement.SetStyleAttribute("position", "absolute");
UpdateInnerHtml();
UpdateStyle();
// Wire up events.
LayoutUpdated += OnLayoutUpdated;
// Insert into page.
doc.Body.AppendChild(htmlElement);
}
void PositionElement()
{
if (currentDisplay == DisplayElement.Frame)
{
theDisplay = HtmlPage.Document.GetElementById("theFrame");
if (theDisplay == null)
{
theDisplay = HtmlPage.Document.CreateElement("IFrame");
theDisplay.SetAttribute("ID", "theFrame");
HtmlPage.Document.Body.AppendChild(theDisplay);
}
}
else
{
theDisplay = HtmlPage.Document.GetElementById("theDiv");
if (theDisplay == null)
{
theDisplay = HtmlPage.Document.CreateElement("Div");
theDisplay.SetAttribute("ID", "theDiv");
theDisplay.SetStyleAttribute("backgroundColor", "white");
theDisplay.SetStyleAttribute("borderWidth", "1px");
theDisplay.SetStyleAttribute("borderColor", "black");
theDisplay.SetStyleAttribute("borderStyle", "solid");
HtmlPage.Document.Body.AppendChild(theDisplay);
}
}
theDisplay.SetStyleAttribute("position", "absolute");
Point topleft = Position.GetAbsolutePosition(this.FrameContainer);
int controlTop = (int)topleft.Y;
int controlLeft = (int)topleft.X;
theDisplay.SetStyleAttribute("left", controlLeft.ToString() + "px");
theDisplay.SetStyleAttribute("top", controlTop.ToString() + "px");
theDisplay.SetStyleAttribute("visibility", "visible");
theDisplay.SetStyleAttribute("width", this.FrameContainer.ActualWidth.ToString() + "px");
theDisplay.SetStyleAttribute("height", this.FrameContainer.ActualHeight.ToString() + "px");
}
/// <summary>
/// Recreates the scratch html element.
/// </summary>
public void ClearScratchElement()
{
if (_scratchElement != null)
{
RemoveScratchElement();
}
if (HtmlPage.IsEnabled && HtmlPage.Document != null)
{
_scratchElement = HtmlPage.Document.CreateElement("div");
_scratchElement.SetAttribute("id", DefaultScratchElementID);
if (HtmlPage.Document.Body.Children.Count > 0)
{
HtmlElement first = HtmlPage.Document.Body.Children[0] as HtmlElement;
HtmlPage.Document.Body.AppendChild(_scratchElement, first);
}
else
{
HtmlPage.Document.Body.AppendChild(_scratchElement);
}
_dirty = false;
}
}
private void InitializeHtml()
{
// Create Container Div Element
_htmlDivContainerElement = System.Windows.Browser.HtmlPage.Document.CreateElement("div");
_htmlDivContainerElement.Id = this.HtmlDivContainerID;
_htmlDivContainerElement.SetStyleAttribute("position", "absolute");
// Create A Element
_htmlAnchorFocusElement = System.Windows.Browser.HtmlPage.Document.CreateElement("a");
_htmlAnchorFocusElement.SetAttribute("href", "#");
_htmlAnchorFocusElement.SetStyleAttribute("position", "absolute");
_htmlAnchorFocusElement.SetStyleAttribute("left", "0px");
_htmlAnchorFocusElement.SetStyleAttribute("top", "0px");
_htmlAnchorFocusElement.SetStyleAttribute("width", "0px");
_htmlAnchorFocusElement.SetStyleAttribute("height", "0px");
_htmlAnchorFocusElement.Id = this.HtmlAnchorFocusID;
_htmlDivContainerElement.AppendChild(_htmlAnchorFocusElement);
// Create Iframe Element
_htmlIframeEditorElement = System.Windows.Browser.HtmlPage.Document.CreateElement("iframe");
_htmlIframeEditorElement.Id = this.HtmlIframeID;
_htmlIframeEditorElement.SetAttribute("frameBorder", "0");
_htmlIframeEditorElement.SetAttribute("allowTransparency", "true");
_htmlIframeEditorElement.SetStyleAttribute("position", "relative");
_htmlIframeEditorElement.SetStyleAttribute("width", "100%");
_htmlIframeEditorElement.SetStyleAttribute("height", "100%");
_htmlDivContainerElement.AppendChild(_htmlIframeEditorElement);
//System.Windows.Browser.HtmlPage.Document.Body.AppendChild(_htmlDivContainerElement);
HtmlContainer.AppendChild(_htmlDivContainerElement);
string initialText = !this.IsBrowserIE ? "<br/>" : "";
if (!string.IsNullOrEmpty(this.Text))
initialText = this.Text;
StringBuilder sb = new StringBuilder();
sb.Append("setTimeout(function(){");
sb.Append(GetIframeDocumentScript());
if (this.IsBrowserIE)
sb.AppendFormat("{0}.designMode = '{1}';", ScriptVariableIframeDocument, isReadOnly ? "Off" : "On");
sb.AppendFormat("{0}.open('text/html', 'replace');", ScriptVariableIframeDocument);
sb.AppendFormat("{0}.write(\"{1}\");", ScriptVariableIframeDocument, this.GetInitialIframeOuterHTML());
sb.AppendFormat("{0}.close();", ScriptVariableIframeDocument);
//sb.Append("setTimeout(function(){");
if (!this.IsBrowserIE)
sb.AppendFormat("{0}.designMode = '{1}';", ScriptVariableIframeDocument, isReadOnly ? "Off" : "On");
StringBuilder sbInit = new StringBuilder(initialText);
sbInit.Replace("\"", "\\\"");
sbInit.Replace("\r", "");
sbInit.Replace("\n", "");
sb.AppendFormat("{0}.body.innerHTML = \"{1}\";", ScriptVariableIframeDocument, sbInit.ToString());
//sb.Append("}, 100);");
//sb.AppendFormat("document.getElementById('{0}').contentWindow.IsReady = true;", this.HtmlIframeID);
sb.Append("var w;");
sb.AppendFormat("if({0}.parentWindow)", ScriptVariableIframeDocument);
sb.AppendFormat(" w = {0}.parentWindow;", ScriptVariableIframeDocument);
sb.AppendFormat("else if({0}.defaultView)", ScriptVariableIframeDocument);
sb.AppendFormat(" w = {0}.defaultView;", ScriptVariableIframeDocument);
sb.AppendFormat("else ", ScriptVariableIframeDocument);
sb.AppendFormat(" w = {0}.parentWindow;", ScriptVariableIframeDocument);
sb.Append("w.IsReady = true;");
sb.Append("}, 100);");
System.Windows.Browser.HtmlPage.Window.Eval(sb.ToString());
timerInitialize = new DispatcherTimer();
timerInitialize.Interval = TimeSpan.FromMilliseconds(100);
timerInitialize.Tick += delegate
{
if (!_iframeInitialized)
{
timerInitialize.Stop();
if (_htmlIframeEditorElement == null)
{
Dispose();
return;
}
IntializeHandlersHtml();
if (!_iframeInitialized)
timerInitialize.Start();
}
};
timerInitialize.Start();
// _htmlInitialized = true;
//ScratchHtml();
if (HtmlAnimationIframePlace != null)
{
HtmlAnimationPair hap = new HtmlAnimationPair();
hap.HtmlElementName = this.HtmlDivContainerID;
//hap.HtmlContainerName = this.HtmlContainerID;
hap.SLElement = ElementIframePlace;
HtmlAnimationIframePlace.Pairs.Add(hap);
HtmlAnimationIframePlace.ControlOwner = this;
}
Application.Current.RootVisual.MouseMove += new MouseEventHandler(RootVisual_MouseMove);
}
